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Category Archives: Software
Exchange Server Subscription Edition (SE) release (July 1, 2025)
[German]I have reported on Exchange Server SE several times in this blog. Microsoft has now generally released the Exchange Server Subscription Edition SE on July 1, 2025. The product will replace Exchange Server 2016 and Exchange Server 2019, both of … Continue reading
Windows Server: Microsoft Teams does not start (wlanapi.dll error) (30, June 2025)
[German]There currently (June 30, 2025) seem to be an issue with Microsoft Teams running via terminal server on Windows Server environments. The Teams client no longer starts via remote desktop when it is to be run on Windows Server (2019 … Continue reading
Vulnerabilities in 689 Brother and other printer models (June 2025)
[German]Security researchers from Rapid 7 have looked closer at various multi feature printers for vulnerabilities. They found them in the firmware of 689 Brother printer models. However, some printers from other manufacturers are also vulnerable.
Citrix Vulnerability CVE-2025-5777: Is Citrix Bleed Part 2 back?
[German]Are you responsable for Citrix NetScaler ADC and the NetScaler Gateway as an administrator? Last week I had reported on serious vulnerabilities on Citrix products mentioned above that should be closed promptly by patching. Now Citrix has changed the description … Continue reading
VMware Tools 13.0.0 released
[German]VMware by Broadcom has just released Vmware Tools 13.0.0 build 24696409. The package also contains updates to the versions of OpenSSL 3.0.15, 7zip 24.09 and uriparser 0.9.7.
Why ISL Online: Critical factors when choosing a remote desktop solution
[Sponsored Post]In the rapidly evolving IT world, choosing the right remote desktop software is critical for organizations that value security, ease of use and reliability. One provider of secure remote access that has been on the market since 2001 is ISL Online, which presents some considerations for choosing such software below. More ...
Exchange Server 2016/2019 Hotfix Updates (May 2025)
[German]A short addendum for administrators of Microsoft Exchange Server 2016 and 2019: Microsoft has already published so-called hotfix updates for the Exchange Server versions mentioned on May 29, 2025. The hotfixes from May 2025 do not contain any new Exchange … Continue reading
Windows 11 24H2 and Windows Server 2025 has Kerb3961
[German]Brief note for administrators of clients with Windows 11 24H2.clients and Windows Server 2025 hosts. Microsoft has integrated the Kerb3961 library into these operating systems. This is a refactoring of the Kerberos cryptography engine in a separate library and shall … Continue reading
Posted in Security, Software, Windows
Tagged Network, Software, Windows 11, Windows Server 2025
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VMware Cloud Foundation 9.0
[German]VMware by Broadcom has released its long-announced VMware Cloud Foundation 9.0 on June 17, 2025. VMware Cloud Foundation 9 (VCF 9) is sold to customers as a private cloud suite.
ASUS Armoury Crate vulnerability CVE-2025-3464 allows admin privileges in Windows
[German]Brief information for readers who use ASUS Armoury Crate on their Windows systems. The vulnerability CVE-2025-3464 in the software allows an attacker to gain administrator privileges under Windows. ASUS has since updated the software to close the vulnerabilities.
Citrix Netscaler ADC: Critical vulnerabilities, update urgently
[German]Various German blog readers have informed me that the provider Citrix has published several security advisories on critical vulnerabilities in the Netscaler ADC (and Gateway, and Secure Access Client for Window) as of June 17, 2025. Administrators are requested to … Continue reading